Price:Negotiable
Brand:yunsheng

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Smoothness: 3.1*10-3
Coat Thickness(in): 0.01in ~ 0.02in
Basic hardness: HRC 16-23
Surface Hardness: HRC 55-62
Hole rate: <2%
Bonding Strength(Mpa): 484
Min. Hardness of the layer: 595HV0.2
Min. Tensile Strength: 655 Mpa
Operating Temperature: -1000~400 Centigrade Temperature
Life: > 180 days
Package: wooden case, 1000pcs each case.
Usage: oil exploration equipment, accessories, oil sucker rod coupling